Pet bed



FIG. 1 is a front view of a pet bed showing our new design.

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view thereof.

The ornamental design for a pet bed, as shown.